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Nov 1, 2022 molluscan.com
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Valiguna flava (Heynemann, 1885) a new genus and species record for Singapore (Gastropoda: Veronicellidae).
Topic: Valiguna flava new record Singapore Gastropoda Veronicellidae
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Aug 16, 2019
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A review of the Recent Agaronia Gray, 1839 (Caenogastropoda: Olividae) of the Sundaic region, with description of a new species
Topic: Agaronia Olividae Sundaic new species
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Aug 11, 2017 molluscan.com
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Nomenclature of the genus Opisthoporus Benson in L. Pfeiffer, 1851: the type species of the genus and Opisthoporus singaporeanus nom. nov. for Cyclostoma rostellatum L. Pfeiffer, 1851, a junior primary homonym of Cyclostoma rostellatum Partiot, 1848 (Gastropoda: Cyclophoroidea: Cyclophoridae)
Topic: Opisthoporus Opisthoporus Opisthoporus Cyclophoridae Singapore
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A brief survey was done in Pasumpahan Island, Padang city, West Sumatra, for members of the Strombidae. A total of 4 individuals of Strombidae belonging to 2 species, Harpago chiragra and Lambis lambis, were recorded. 
Topic: Strombidae Padang city West Sumatra Indonesia
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Jul 3, 2017 OMP
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The name Solen scalprum Gould, 1850 is in current use for a widely distributed species of bivalve assigned to the genus Cultellus. The name is a junior primary homonym of Solen scalprum King, 1832. The name Solen scalprum Gould, 1850 should be replaced by its junior synonym Cultellus subellipticus Dunker, 1862. 
Topic: Cultellus subellipticus Solen scalprum Bivalvia Solenoidea Pharidae
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Jul 1, 2017 OMP
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Amphidromus (Syndromus) sumatranus (von Martens, 1864) from Dusun Teluk Riti, Rokan Hulu District, Riau Province, Indonesia (Gastropoda: Pulmonata: Camaenidae)
Topics: Amphidromus (Syndromus) sumatranus (von Martens, 1864) Dusun Teluk Riti Rokan Hulu District Riau...
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Apr 6, 2017 molluscan.com
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A new species of the camaenid genus Kenyirus is described from Baling, Kedah, Peninsular Malaysia. Kenyirus balingensis, new species, has a thin subglobose‐trochoidal shell, with a depressed apex. It resembles Kenyirus sheema Foon, Tan & Clements, 2015, in shell shape, but can be distinguished by its much smaller size, proportionately lower spire, presence of an indistinct groove just above the suture, and a more prominent peripheral keel. Kenyirus balingensis also has a generally uniform...
Topic: Kenyirus balingensis Baling Kedah Malaysia sheema balingensis
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Aug 15, 2016 OMP
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The genus‐group name Eufistulana Eames, 1951, is in current and prevailing usage for a group of gastrochaenid bivalves. Eufistulana Eames, 1951, was proposed as a replacement name for the preoccupied Fistulana Bruguière, 1789, with Teredo clava Gmelin, 1791, as the type species. Teredo clava Gmelin, 1791, is a teredinid and is the type species of the genus Uperotus Guettard, 1770. It is clear that the original type species, Teredo clava Gmelin, 1791, was misidentified. In order to preserve...
Topic: Eufistulana Fistulana nomenclatural Bivalvia Gastrochaenoidea Gastrochaenidae
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Aug 10, 2016 Occasional Molluscan Papers
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The non‐indigenous Cryptozona siamensis is reported for the first time from Singapore. This terrestrial snail was discovered from the site of a former plant nursery that borders the Central Catchment Nature Reserve, and is believed to have been accidentally introduced through horticultural trade activities. Cryptozona siamensis is a potential plant pest and is known to be a host of the parasite that causes human eosinophilic meningitis, a potentially life‐threatening condition. Urgent...
Topic: Cryptozona siamensis horticultural trade introduction pest
The scaphopod family Laevidentaliidae is reviewed in the tenth part of a group‐by‐group treatment of the molluscs of Singapore. Laevidentalium eburneum (Linnaeus, 1767), is the only species recorded thus far.
Topic: Singapore Mollusca Scaphopoda Laevidentaliidae Laevidentalium eburneum Dentaliidae Dentalium...
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Jun 22, 2015
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Reassignment of Pterocyclos bathychisma (Möllendorff, 1898) to genus Ptychopoma Möllendorff, 1885 (Gastropoda: Caenogastropoda: Cyclophoroidea: Cyclophoridae), with comments on the genus Ptychopoma in Indochina.
Topic: Reassignment Pterocyclos bathychisma Ptychopoma Gastropoda Caenogastropod Cyclophoroidea...
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Jun 19, 2015
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Preliminary checklist of the freshwater Gastropoda of Brunei
Topic: preliminary checklist freshwater Gastropoda Brunei
Mieniplotia gen. nov. is established for Buccinum scabrum O.F. Müller, 1774, which is currently assigned to the unavailable genus-group name Pseudoplotia Forcart, 1950. Nomenclatural notes on the other genus-group names that Buccinum scabrum has been historically assigned are provided. Mieniplotia gen. nov. currently contains only the type species, Mieniplotia scabra (O.F. Müller, 1774), comb. nov.
Topics: Mollusca, Gastropoda, Mieniplotia, Buccinum scabrum, Pseudoplotia, Mieniplotia scabra,...
The widespread calyptraeid Crepidula walshi Reeve, 1859, is currently assigned by most authors to the genus Syphopatella Lesson, 1831 (also incorrectly spelt as âSiphopatellaâ). An analysis of the type species of Syphopatella Lesson, 1831, shows that this species should be assigned to the genus Ergaea H. Adams & A. Adams, 1854, instead. The original description, authorship, spelling, and two synonyms of Crepidula walshi Reeve, 1859, are also discussed.
Topics: Mollusca, Gastropoda, Ergaea, Crepidula walshi, Syphopatella, Siphonipatella, Siphopatella.
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A naturally formed spherical pearl was recently discovered in a Tegillarca granosa (Linnaeus, 1758), which was purchased from a market in Singapore , and herein reported. This is probably the first published report of a spherical pearl from Tegillarca granosa . The cause of pearl formation remains unknown.
Topics: Arcidae, Tegillarca granosa, Singapore, pearl, molluscan, OMP, Occasional Molluscan Papers
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Situated at the crossroads of the Indian and Pacific Oceans , Southeast Asia is home to a rich and diverse malacofauna. Occasional Molluscan Papers ( OMP ) began life in 2008 to fulfil the need for a publication outlet for papers on the malacology of the Sundaland region (see below). In 2010, a second volume was published. After a four-year hiatus, OMP is back with a new look and feel. Submissions will continue to be peer-reviewed, and articles will remain free-to-download. There will also be...
Topics: Editorial, Occasional Molluscan Papers, OMP, Sundaland, molluscan
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The occurrence of several Amphidromus species from Singapore is often mentioned in the literature (e.g., Laidlaw & Solem, 1961; Ho, 1995; Maassen, 2001). However there is scarcely mention of other genera in the family Camaenidae. At present, two camaenid genera have been recorded from Singapore, namely Amphidromus and Trachia (see Chan, 1996; Tan & Woo, 2010). This article documents a recent sighting of a living Trachia pudica (Godwin-Austen, 1891) in Singapore. Although not a new...
Topics: Systematics, taxonomy, Mollusca, Gastropoda, Camaenidae, Trachia pudica Singapore.
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Oct 26, 2010 S. -Y. Chan
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Based on Maassenâs (2001) extensive checklist on west Malaysian non-marine molluscs, Rhachis zonulata of the air-breathing pulmonata family Pachnodidae is a new record in the peninsular. The aim of this paper is to picture this elegant arboreal snail with some distributional and descriptive data.
Topics: Systematics, taxonomy, Mollusca, Gastropoda, Pachnodidae, Cerastuidae, Cerastidae, Malaysia.
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Three species of intertidal bivalves belonging to the family Mesodesmatidae (commonly known as âwedge clamsâ) have had confirmed records (Morris & Purchon, 1982; Tan & Woo, 2010) from Singapore and is diagnosable on the grounds of shell morphology. They are Davila plana, Paphies striata and Coecella horsfieldii. This article aims to present the local mesodesmatids pictorially with some descriptive and ecological notes.
Topics: Systematics, taxonomy, Mollusca, Bivalvia, Mesodesmatidae, Singapore.
A new species of polymorphic arboreal snail belonging to the family Camaenidae is described from Sumba Island (East Nusa Tenggara), eastern Indonesia. Amphidromus (Syndromus) abbasi, new species, is diagnosable using shell morphology and closest congeners of the subgenus Syndromus, namely A. (S.) contrarius Müller, 1774 and A. (S.) filozonatus von Martens, 1867 are used for comparison.
Topics: Systematics, taxonomy, Gastropoda, Camaenidae, Amphidromus, Syndromus, subgenus, new species, Java,...
A new species of polymorphic and colourful arboreal snail belonging to the family Camaenidae is described from Rotti Island (off southwestern end of Timor), southeastern Indonesian Archipelago. Amphidromus (Syndromus) rottiensis new species is diagnosable using shell morphology and geographically close congeners of the subgenus Syndromus, namely A. (S.) contrarius Müller, 1774 and A. (S.) poecilochrous Fulton, 1896 are used for comparison. The new species being described here appears...
Topics: Systematics, taxonomy, Gastropoda, Camaenidae, Amphidromus, Syndromus, subgenus, new species,...